Home / 87,266.14-120,414.15-49,018.36

Finding the Fourth Proportional to 87,266.14, 120,414.15 and 49,018.36

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Solution

The fourth proportional to 87,266.14, 120,414.15 and 49,018.36 is: 67,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.14 : 120,414.15 = 49,018.36 : x
  2. Step 2: Convert to fraction form
    87,266.14/120,414.15 = 49,018.36/x
  3. Step 3: Cross multiply
    87,266.14x = 120,414.15 × 49,018.36
  4. Step 4: Simplify right side
    87,266.14x = 5,902,504,153.79
  5. Step 5: Solve for x
    x = 5,902,504,153.79/87,266.14
  6. Step 6: Final answer
    x = 67,637.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.